Here are list for the 4chip Z80 computer:
CPU
Z80 CPU Microprocessor ZILOG Z84C0020PEC
Peripherals (ATmega Arduino)
ATMEGA32A-PU MCU AVR 32K FLASH 16MHZ 40-PDIP
7400 for some logic
RAM memory
5PCS/LOT TC551001BPL-70L TC551001BPL TC551001 DIP-32
Breadboards (use 2)
Wires
65pcs=1pack Solderless Flexible Breadboard Jumper wires